2015 Acura TLX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Acura TLX and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2015 Acura TLX cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2015 Acura TLX cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the initial steps to diagnose the non-functioning cruise control in a 2015 Acura TLX?

When diagnosing the non-functioning cruise control in your 2015 Acura TLX, it's essential to adopt a methodical diagnostic approach. Start by checking the cruise control fuse, as a blown fuse can often be the simplest issue to resolve. Next, inspect the cruise control switch on the steering wheel to ensure it is not stuck or damaged, as this can directly affect its operation. Utilizing a diagnostic scanner to look for error codes can provide valuable insights into any underlying issues within the vehicle's onboard computer. Additionally, verify that the brake lights are functioning correctly, since a malfunctioning brake light switch can prevent the cruise control from engaging. Finally, examine the speed sensors, as any faults here can significantly impact the cruise control system's performance. By following these steps in order, you can effectively diagnose and potentially resolve the issues with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2015 Acura TLX?

When troubleshooting the cruise control system in a 2015 Acura TLX, it's essential to understand the common problems that may lead to its malfunction. One of the first things to check is the fuses; a blown fuse can interrupt the power supply, rendering the cruise control inoperative. Additionally, the body control module (BCM) plays a crucial role in the functionality of the cruise control, and any failure in this component can result in operational issues. Another critical aspect to consider is the brake pedal position sensor; if this sensor is malfunctioning, it may prevent the cruise control from engaging, as the system relies on accurate feedback from the brake pedal. Furthermore, the throttle body must be functioning correctly, as any issues here can disrupt the cruise control's ability to maintain speed. Lastly, problems with the PRNDL or shifter position switch can also contribute to cruise control failures. By systematically checking these components, you can effectively diagnose and potentially resolve the issues affecting your Acura TLX's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2015 Acura TLX?

When it comes to a non-functioning cruise control in a 2015 Acura TLX, the urgency of addressing the issue cannot be overstated. Cruise control is not just a luxury; it plays a crucial role in enhancing driving comfort and safety, particularly on long journeys. A malfunctioning system may signal deeper electronic or sensor problems that could compromise other vehicle functions, leading to more significant issues down the line. Ignoring this symptom could result in safety risks, as the inability to maintain a steady speed can lead to driver fatigue and increased likelihood of accidents. Moreover, addressing the problem promptly can prevent further damage to the vehicle, saving you from costly repairs in the future. Therefore, if you notice your cruise control is not working, it is advisable to diagnose and repair the issue as soon as possible to ensure your Acura TLX operates safely and efficiently.

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